LB-52 is the most popular electrode for 490MPa class tensile steel in ships, bridges, buildings, and pressure vessels. This electrode was adopted in the first nuclear reactor vessel of Japan. Its usability is good in all positions and it deposits weld metal of high quality. Workability In all positions the workability is good and both fluidity and removability of slag are fine. The arc is stable and the bead appearance is quite beatiful. Lead Time : 20days